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javierp94672301
Participating Frequently
February 5, 2018
Question

Abrir archivos

  • February 5, 2018
  • 2 replies
  • 648 views

Hola, al abrir un archivo fotografico que pesa 250KB desde PS, al ver tamaño de la imagen la muestra como de 2,2MB. Alguien sabe por qué ocurre ésto?

Muchas gracias.

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2 replies

c.pfaffenbichler
Community Expert
c.pfaffenbichlerCommunity Expert
Community Expert
February 5, 2018

What file format is the image exactly?

J
javierp94672301Author
Participating Frequently
February 5, 2018

.jpg is the format. This image for example:

c.pfaffenbichler
Community Expert
c.pfaffenbichlerCommunity Expert
Community Expert
February 5, 2018

jpg employs lossy compression (in general) and can significantly reduce files’ sizes depending on the content and the degradation one is willing to accept.

JJMack
Community Expert
JJMackCommunity Expert
Community Expert
February 5, 2018

In the file the image data is encoded and compressed in memory the image data decoded and uncompressed.

JJMack
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